I was crawling out of my skin

[Over the top]

Does it mean embarrassed

[billmcd]

Does it mean embarrassed

Could be, but depending on the cause could include other descriptors to feel that way including discomfort, nervousness, anxiety, anger, etc.

[JTRiff]

Tisn't proper, never heard it used thus.
It made my skin crawl, meaning it creeped me out. )

NaT

[5jj]

Tisn't proper, never heard it used thus.
It made my skin crawl, meaning it creeped me out. )

You may not have heard it, but it's used.